monochromebitmap.h

segmentation sample good luck

// MonochromeBitmap.h: interface for the CMonochromeBitmap class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_MONOCHROMEBITMAP_H__49989ED5_536B_11D1_91FE_843B0AC10000__INCLUDED_)
#define AFX_MONOCHROMEBITMAP_H__49989ED5_536B_11D1_91FE_843B0AC10000__INCLUDED_

#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000

#include <list>
#include <vector>
#include "line.h"
#include "blob.h"
#include "QuadTree.h"

using namespace std;

// All lines within the same raster are within the same vector
// This means that they're contiguous in memory (which means they
// maintain cache coherency and that we can reference them with
// an iterator that operates efficiently).

typedef vector<CLine> CLineVector;
typedef CLineVector::iterator CLineVectorIterator;
typedef vector<CLineVectorIterator> CLineVectorIteratorVector;
typedef vector<CLineVector *> CLineVectorPointerVector;
typedef vector<CBlob *> CBlobPtrVector;
typedef vector<CLine *> CLinePointerVector;
typedef CLinePointerVector::iterator CLinePointerVectorIterator;

class CMonochromeBitmap  
{
public:
	void ClearBlobList();
	void AddBlob(CBlob *pBlob);
	virtual int Height() const = 0;
	virtual int Width() const = 0;
	virtual const BYTE * GetRaster(int nLine) = 0;
	virtual void GetBrightnessHistogram(vector<int> &aHistogram,vector<int> &aBrightness);
	CMonochromeBitmap();
	virtual ~CMonochromeBitmap();

	virtual void BuildBlobList();
	CBlob *GetBlob(int nIndex);
	const CBlob *GetBlob(int nIndex) const;
	int GetBlobCount() const;
	CQuadTree<CBlob> &GetQuadTree();
protected:
	void AllocateLineBlock(CLineVectorIterator &clviStart,CLineVectorIterator &clviEnd);
	void DeallocateMemoryForBitmap();

	// This holds a list of all of the vectors that have
	// been allocated.

	CLineVectorPointerVector m_clvpvAllocatedVector;

	enum {eMaxLinesPerVector = 2048,eBlobsPerBlock = 256};

	CBlobPtrVector m_pBlob;
	CQuadTree<CBlob> m_quadTree;
};

#endif // !defined(AFX_MONOCHROMEBITMAP_H__49989ED5_536B_11D1_91FE_843B0AC10000__INCLUDED_)